Παραπομπή σε μορφή APA (7η εκδ.)

World Tourism Organization. (2001). Global forecasts and profiles of market segments. World Tourism Organization.

Παραπομπή σε μορφή Chicago (17η εκδ.)

World Tourism Organization. Global Forecasts and Profiles of Market Segments. Madrid, Spain: World Tourism Organization, 2001.

Παραπομπή σε μορφή MLA (9th εκδ.)

World Tourism Organization. Global Forecasts and Profiles of Market Segments. World Tourism Organization, 2001.